Hi Steve, those sound like typical NAT issues. Have you tried enabling H.460.18 in GnuGk and all your endpoints ? [RoutedMode] EnableH46018=1 Regards, Jan -- Jan Willamowius, jan@xxxxxxxxxxxxxx, http://www.gnugk.org/ Cooper, Steve R wrote: > Hi there, > > I've a site where we have several H.323 devices all behind a NAT > firewall. For this reason we use a GateKeeper to proxy the devices. Up > to now we've been a bit lax and have been using an old version of gnugk > 2.2 but are now trying to upgrade to 3.1. > > We've built and installed version 3.1 on a new machine running the > latest version of Scientific Linux, and are using it with our old > gnugk.ini file > > This has generally been successful in that the H.323 devices have all > registered successfully and we are able to make outgoing calls both to > E.164 numbers and IP addresses, all proxied through the GK. > > However where it falls down is we cannot accept calls. If someone tries > to call us it fails with making the H.245 connection with the log message: > > Error: Establishing the H.245 channel failed, disconnecting > > When we do tests with a higher level of tracking we see > > 1) Location request received from Neighbour - followed by GK sending > Location Confirm > > 2) We then receive a Set-up request from the calling address on say port > 53188 i.e xx.xx.xx.xx:53188 > > 3) This is forwarded to the called device on port 17:20 > > 4) We then get an admission request from the called device from port > 1719 which is confirm by GK > > 5) We then get a Set-up Alert message from the device which is then > forwarded to the calling address xx.xx.xx.xx:53188 > > 6) We then get a Set-up Connect message from the device and forward this > to the calling address > > 7) The GK then starts a job for the H245 connector and reads from the > calling address xx.xx.xx.xx:39884 and recieved a conference indication > from the calling address port 1720 > > 8) The GK then notes H45 connected from calling address:40302 on > gatekeeper address:36289, which is immediately followed by the message > "Invalid Address" and we have the Error establishing the H.245 channel. > > The gnugk.ini file is as follows > > [RasSrv::ARQFeatures] > CallUnregisteredEndpoints=1 > > [RasSrv::LRQFeatures] > AlwaysForwardLRQ=1 > IncludeDestinationInfoInLCF=1 > ForwardHopCount=9 > CiscoGKCompatible=1 > AcceptForwardedLRQ=1 > ForwardResponse=1 > > [RasSrv::RewriteE164] > 004401182= > > [RoutedMode] > GKRouted=1 > H245Routed=1 > AcceptUnregisteredCalls=1 > SupportNATedEndpoints=1 > TranslateFacility=1 > SendReleaseCompleteOnDRQ=1 > > [Proxy] > Enable=1 > ProxyForNAT=1 > SearchBothSidesOnCLC=1 > > [RoutingPolicy] > > [NATedEndpoints] > > > I know I've probably done something silly and obvious, but I cannot see > what is missing > > Steve Cooper ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_name=openh323gk-users Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/
